Grill safety device



FIG. 1 is a perspective view of a grill safety device showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a left side view thereof.

The details shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a grill safety device, as shown and described. 